diff --git a/src/Views/TextDiffView.axaml.cs b/src/Views/TextDiffView.axaml.cs
index da2d9ed1..ea70ac93 100644
--- a/src/Views/TextDiffView.axaml.cs
+++ b/src/Views/TextDiffView.axaml.cs
@@ -619,6 +619,7 @@ namespace SourceGit.Views
             TextArea.TextView.VisualLinesChanged += OnTextViewVisualLinesChanged;
 
             UpdateTextMate();
+            OnTextViewVisualLinesChanged(null, null);
         }
 
         protected override void OnUnloaded(RoutedEventArgs e)